/* ═══════════════════════════════════════════════════════════════
   PRATEEK JEWELLERS: STERLING KINETIC NAVIGATION
   Theme: Ultra-Matte Graphite Grey & Brushed Dark Silver / Platinum
   ═══════════════════════════════════════════════════════════════ */

/* ── Top Bar Header & Right-Side Kinetic Button ──────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100010;
  padding: 0 var(--margin, 2rem);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(197, 203, 211, 0.20);
  background: rgba(12, 13, 16, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  isolation: isolate;
  transform: translateY(0);
  opacity: 1;
  transition: transform 0.4s ease, opacity 0.4s ease, background 0.3s ease;
}

#nav.visible {
  transform: translateY(0);
  opacity: 1;
}

.nav-brand-large {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo-img-large {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid #A8B2C1;
  object-fit: cover;
}

.nav-brand-name {
  font-family: var(--font-display, 'Playfair Display', serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #FAF7F2;
  text-transform: uppercase;
}

.nav-center-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 991px) {
  #nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .nav-center-links {
    display: none;
  }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

/* Kinetic Toggle Button */
.nav-close-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(24, 27, 34, 0.85);
  border: 1px solid rgba(197, 203, 211, 0.35);
  border-radius: 999px;
  cursor: pointer;
  outline: none;
  color: #FAF7F2;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  user-select: none;
  z-index: 100015;
}

.nav-close-btn:hover {
  background: rgba(45, 50, 62, 0.8);
  border-color: #E2E6EC;
  box-shadow: 0 0 25px rgba(226, 230, 236, 0.25);
  transform: translateY(-1px);
}

.nav-close-btn:active {
  transform: translateY(0);
}

/* Vertical Sliding Mask */
.menu-button-text {
  height: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

.menu-button-text .p-large {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 14px;
  margin: 0;
  color: #FAF7F2;
  display: block;
}

/* Morphing Plus / Cross Icon */
.icon-wrap {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #E2E6EC;
}

.menu-button-icon {
  width: 14px;
  height: 14px;
  transform-origin: center center;
  transition: color 0.3s;
}

.nav-close-btn:hover .menu-button-icon {
  color: #FFFFFF;
}

/* ── Fullscreen Kinetic Menu Container ───────────────────────── */
.fullscreen-menu-container {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100000;
}

.nav-overlay-wrapper {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  pointer-events: auto;
}

/* Click-Away Overlay */
.nav-overlay-wrapper .overlay {
  position: absolute;
  inset: 0;
  background: rgba(12, 13, 16, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
  opacity: 0;
}

/* Right Slide-Out Drawer Panel */
.menu-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(580px, 94vw);
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 2;
  overflow: hidden;
  will-change: transform;
}

/* Multi-Tier Backdrop Layers (Staggered Animation) */
.menu-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.backdrop-layer {
  position: absolute;
  inset: 0;
  will-change: transform;
}

/* Layer 1: Slate Charcoal Accent Panel */
.backdrop-layer.first {
  background: linear-gradient(135deg, #2A2F3B 0%, #14161C 100%);
  border-left: 2px solid #E2E6EC;
  box-shadow: -15px 0 45px rgba(0, 0, 0, 0.7);
}

/* Layer 2: Deep Graphite Panel */
.backdrop-layer.second {
  background: linear-gradient(180deg, #1C1F26 0%, #0F1014 100%);
  border-left: 1px solid rgba(197, 203, 211, 0.3);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.8);
}

/* Layer 3: Ultra-Matte Obsidian Canvas Panel */
.backdrop-layer:not(.first):not(.second) {
  background: linear-gradient(180deg, rgba(19, 21, 26, 0.98) 0%, rgba(12, 13, 16, 0.99) 100%);
  border-left: 1px solid rgba(197, 203, 211, 0.35);
  box-shadow: -30px 0 80px rgba(0, 0, 0, 0.85);
  isolation: isolate;
}

/* ── Ambient Background Shapes ───────────────────────────────── */
.ambient-background-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ambient-background-shapes .bg-shape {
  position: absolute;
  width: 380px;
  height: 380px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

.ambient-background-shapes .bg-shape.active {
  visibility: visible;
}

.ambient-background-shapes .shape-element {
  transform-origin: center center;
  will-change: transform, opacity;
}

/* ── Menu Content Wrapper & List ─────────────────────────────── */
.menu-content-wrapper {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding: 80px clamp(28px, 6vw, 64px) 40px;
  overflow-y: auto;
  overflow-x: hidden;
}

.menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.5rem, 1.8vh, 1.2rem);
}

.menu-list-item {
  position: relative;
  overflow: hidden;
}

/* Clean Typography-Driven Nav Link */
.nav-link {
  display: inline-flex;
  align-items: center;
  position: relative;
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 999px;
  overflow: hidden;
  width: fit-content;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.nav-link-text {
  font-family: var(--font-display, 'Playfair Display', serif);
  font-size: clamp(26px, 4.2vw, 42px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #FAF7F2;
  margin: 0;
  line-height: 1.15;
  transition: color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Pill Background that Expands on Hover */
.nav-link-hover-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(58, 64, 77, 0.5) 0%, rgba(26, 29, 36, 0.5) 100%);
  border: 1px solid rgba(226, 230, 236, 0.35);
  border-radius: 999px;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: -1;
}

.nav-link:hover .nav-link-hover-bg {
  opacity: 1;
  transform: scale(1);
}

.nav-link:hover .nav-link-text {
  color: #FFFFFF;
  transform: translateX(4px);
}